Jan Šulc
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View article: Measurement of Thermally Induced Depolarization in Flashlamp Pumped <111>- and <100>-Oriented Nd:YAG Laser Rods
Measurement of Thermally Induced Depolarization in Flashlamp Pumped - and -Oriented Nd:YAG Laser Rods Open
Crystals with minimal depolarization effects and losses are desired for specific applications to preserve the orientation of the generated radiation polarization. This work presents an experimental method for measuring the depolarization o…
View article: Multi-watt QCW operation of Fe:ZnSe laser at 4.1 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si5.svg" display="inline" id="d1e193"> <mml:mi mathvariant="normal">μ</mml:mi> </mml:math> m
Multi-watt QCW operation of Fe:ZnSe laser at 4.1 m Open
View article: Transfer of diode pumped Er:YLF laser radiation by hollow glass waveguides
Transfer of diode pumped Er:YLF laser radiation by hollow glass waveguides Open
A compact diode pumped Er:YLF laser emitting at wavelength 2825 nm was designed and constructed. Radiation delivery from this source by special hollow glass waveguides with inner diameters of 250, 320, 540, or 700 $$\upmu$$ m was investi…
View article: In-depth study of spectroscopic properties of new Pr3+-ion doped low-phonon sesquisulfide Lu2S3 material for mid-IR laser sources
In-depth study of spectroscopic properties of new Pr3+-ion doped low-phonon sesquisulfide Lu2S3 material for mid-IR laser sources Open
View article: Cryogenic performance of Ho:YAP: spectroscopy and lasing at 2.1 $$\upmu$$m
Cryogenic performance of Ho:YAP: spectroscopy and lasing at 2.1 $$\upmu$$m Open
The holmium-doped yttrium aluminum perovskite (Ho:YAP, $$\hbox {Ho:YAlO}_{3}$$ ) is a promising material for high-power mid-infrared solid-state lasers. This study presents detailed temperature-dependent spectroscopic properties of Ho:…
View article: Resonantly diode-pumped Tm:YAG laser for efficient 2036 nm generation
Resonantly diode-pumped Tm:YAG laser for efficient 2036 nm generation Open
We present a resonantly diode pumped Tm:YAG laser, operating at 2036 nm, wavelength-stabilized using a volume Bragg grating. This laser takes advantage of resonant diode pumping at 1.69 $${\upmu }$$ m to achieve efficient emission in the…
View article: Pumping beam shaping for optimized performance of Q-Switched Nd:YAG/V:YAG microchip laser emitting at $$1.44\,\upmu$$m
Pumping beam shaping for optimized performance of Q-Switched Nd:YAG/V:YAG microchip laser emitting at $$1.44\,\upmu$$m Open
We present a longitudinally diode-pumped Q-switched Nd:YAG/V:YAG microchip laser emitting at $$1.44\,\upmu$$ m and the optimization of its output parameters in terms of pulse energy and peak power maximization. Optimization was achieve…
View article: Comparison of temperature dependence of Fe:ZnSe laser output properties under semi-longitudinal excitation by 2.94 and $$\sim$$4.04 $${\upmu }$$m radiation
Comparison of temperature dependence of Fe:ZnSe laser output properties under semi-longitudinal excitation by 2.94 and $$\sim$$4.04 $${\upmu }$$m radiation Open
The temperature dependence of the laser output properties of the Fe:ZnSe single crystal was compared under its excitation by 2.94 $${\upmu }$$ m Q-switched Er:YAG laser radiation and by $$\sim$$ 4.04 $${\upmu }$$ m gain-switched seco…
View article: In-Depth Study of Spectroscopic Properties of New Pr3+-Ion Doped Low-Phonon Susquisulfide Lu2s3 Material for Mid-Ir Laser Sources
In-Depth Study of Spectroscopic Properties of New Pr3+-Ion Doped Low-Phonon Susquisulfide Lu2s3 Material for Mid-Ir Laser Sources Open
View article: Broadly tunable Tm:BaF<sub>2</sub> and Tm:SrF<sub>2</sub> lasers
Broadly tunable Tm:BaF<sub>2</sub> and Tm:SrF<sub>2</sub> lasers Open
We report on the spectroscopic properties and first continuous-wave (CW) and broadly tunable operation of a Tm 3+ -doped barium fluoride (BaF 2 ) crystal, comparing it with another fluorite-type compound, Tm 3+ :SrF 2 . Tm 3+ ions in BaF 2…
View article: Broadly tunable continuous-wave Tm,Ho:SrF<sub>2</sub> and Tm,Ho:BaF<sub>2</sub> lasers
Broadly tunable continuous-wave Tm,Ho:SrF<sub>2</sub> and Tm,Ho:BaF<sub>2</sub> lasers Open
We report on the first, to our knowledge, room-temperature continuous-wave laser operation of Tm 3+ ,Ho 3+ -codoped barium and strontium fluoride crystals at ∼2.1 µm. The 3 at.% Tm, 0.5 at.% Ho:BaF 2 laser generated 160 mW at 2073 nm with …
View article: Highly-efficient Tm-fiber Laser Resonantly Pumped by 1.7 μm Laser Diode
Highly-efficient Tm-fiber Laser Resonantly Pumped by 1.7 μm Laser Diode Open
CW laser diode emitting at 1.7 μm was used to unidirectionally pump a thulium-doped fiber laser. Cladding-pumped fiber laser resonator consisted of dichroic (high reflectivity at 2 μm, high transparency at 1.7 μm) free-space plane mirror, …
View article: Enhancement of Laser-Induced Damage Threshold of Nd:YAG Laser Rods through Improved Polishing Processes
Enhancement of Laser-Induced Damage Threshold of Nd:YAG Laser Rods through Improved Polishing Processes Open
View article: Output parameters optimization of Q-switched Nd:YAG/V:YAG microchip laser generating at 1.44 µm
Output parameters optimization of Q-switched Nd:YAG/V:YAG microchip laser generating at 1.44 µm Open
View article: Quasi-collinearly Pumped Fe:ZnSe Laser by ~4 µm Radiation
Quasi-collinearly Pumped Fe:ZnSe Laser by ~4 µm Radiation Open
Radiation with a wavelength of ~4 µm was used for quasi-collinear excitation of the Fe:ZnSe laser. The highest output energy was achieved at the optimal crystal temperature of 230 K with the generated radiation wavelength of ~4.5 µm.
View article: Resonant 1.7 µm diode pumping of Q-switched Tm:YAG laser generating at 2036 nm
Resonant 1.7 µm diode pumping of Q-switched Tm:YAG laser generating at 2036 nm Open
View article: Delivery of the diode pumped Er:YLF laser radiation by special hollow glass waveguides
Delivery of the diode pumped Er:YLF laser radiation by special hollow glass waveguides Open
View article: Temperature influence on Ho:YAP microchip laser emission
Temperature influence on Ho:YAP microchip laser emission Open
View article: The effect of abdominal bracing on respiration during a lifting task: a cross-sectional study
The effect of abdominal bracing on respiration during a lifting task: a cross-sectional study Open
Background Abdominal bracing is a maneuver widely used by rehabilitation specialists and sports trainers to improve spinal stability. This study aimed to investigate how lifting tasks with and without abdominal bracing affect the respirato…
View article: Influence of Er3+ concentration in Er:GGAG crystal on spectroscopic and laser properties
Influence of Er3+ concentration in Er:GGAG crystal on spectroscopic and laser properties Open
Detail spectroscopy study of erbium-doped active media is crucial for understanding of the behavior of erbium-based lasers. In this paper, for the first time, detailed study of the concentration dependence of Er3+ in garnet-based active me…
View article: Compact Nd:YAP/V:YAG nanosecond pulse generator at 1342 nm
Compact Nd:YAP/V:YAG nanosecond pulse generator at 1342 nm Open
A compact Q-switched laser with a separate Nd:YAP gain part and V:YAG saturable absorber was designed and constructed. The use of a Nd:YAP gain crystal may have certain advantages, such as polarization and wavelength stability, over the mo…
View article: Postural-respiratory function of the diaphragm assessed by M-mode ultrasonography
Postural-respiratory function of the diaphragm assessed by M-mode ultrasonography Open
Objectives The diaphragm changes position and respiratory excursions during postural loading. However, it is unclear how it reacts to lifting a load while breath-holding or breathing with simultaneous voluntary contraction of the abdominal…
View article: Mid-Infrared Laser Generation of Zn1−xMnxSe and Zn1−xMgxSe (x ≈ 0.3) Single Crystals Co-Doped by Cr2+ and Fe2+ Ions—Comparison of Different Excitation Wavelengths
Mid-Infrared Laser Generation of Zn1−xMnxSe and Zn1−xMgxSe (x ≈ 0.3) Single Crystals Co-Doped by Cr2+ and Fe2+ Ions—Comparison of Different Excitation Wavelengths Open
Two different mid-infrared (mid-IR) solid-state crystalline laser active media of Cr2+, Fe2+:Zn1−xMnxSe and Cr2+, Fe2+:Zn1−xMgxSe with similar amounts of manganese or magnesium ions of x ≈ 0.3 were investigated at cryogenic temperatures fo…
View article: Compact Nd:YAP/V:YAG nanosecond pulse generator at 1342nm
Compact Nd:YAP/V:YAG nanosecond pulse generator at 1342nm Open
View article: Influence of Er3+ Concentration in Er:Ggag Crystal on Spectroscopic and Laser Properties
Influence of Er3+ Concentration in Er:Ggag Crystal on Spectroscopic and Laser Properties Open
View article: Passively Q-switched Er:YAP laser generating 21 ns pulses at 2.9 μm
Passively Q-switched Er:YAP laser generating 21 ns pulses at 2.9 μm Open
Laser sources emitting in the mid-infrared spectral range from 2 to 8 μm can be utilized in various applications (spectroscopy, remote sensing, polymer processing, medicine, etc.).[1,2].Laser generation in shortwavelength part of this rang…
View article: Effect of Waterjet Machining Parameters on the Cut Quality of PP and PVC-U Materials Coated with Polyurethane and Acrylate Coatings
Effect of Waterjet Machining Parameters on the Cut Quality of PP and PVC-U Materials Coated with Polyurethane and Acrylate Coatings Open
The article focuses on the machining of polymeric materials polypropylene (PP) and un-plasticized poly vinyl chloride (PVC-U) after surface treatment with polyurethane and acrylate coatings using waterjet technology. Two types of waterjet …
View article: Influence of Y2O3 Content on Structural, Optical, Spectroscopic, and Laser Properties of Er3+, Yb3+ Co-Doped Phosphate Glasses
Influence of Y2O3 Content on Structural, Optical, Spectroscopic, and Laser Properties of Er3+, Yb3+ Co-Doped Phosphate Glasses Open
The influence of the addition of Y2O3 on the structural, spectroscopic, and laser properties of newly prepared Er, Yb-doped strontium-sodium phosphate glass was investigated. While the addition of Y2O3 has a small influence on the absorpti…
View article: Diode-pumped master oscillator power amplifier system based on cryogenically cooled Tm:Y<sub>2</sub>O<sub>3</sub> transparent ceramics
Diode-pumped master oscillator power amplifier system based on cryogenically cooled Tm:Y<sub>2</sub>O<sub>3</sub> transparent ceramics Open
We demonstrated a master oscillator power amplifier system using cryogenically cooled Tm:Y 2 O 3 transparent ceramics. The electro-optically switched master oscillator acted as a seed source and could be tuned from 1 to 100 Hz. A maximum p…
View article: Er:GGAG crystal temperature influence on spectroscopic and laser properties
Er:GGAG crystal temperature influence on spectroscopic and laser properties Open
Spectroscopic and laser parameters of Er-doped Gd 3 Ga 3 Al 2 O 12 crystal (Er:GGAG) are presented in the temperature range 80 - 340 K. The significant influence of crystal temperature on resonantly diode pumped Er:GGAG laser, emitting at …